1)Variable volt Vapor e cigarette
2)3 variable volt single battery
3)OEM is welcome
4)Desay battery, Good quality

*Features:

Personal Vapor cigarette variable voltage ecig

Red Indicator Light = 3.2 volts
Blue/Red (Pink) Indicator Light = 3.7 volts
Blue Indicator Light = 4.2 vots

Size:length 108mm/ diameter 14mm(0.55in)
Capacity: 900mAh
Voltage: 3.2V (Red LED ring)/3.7V (Half Red/Half Blue LED ring)/4.2V (Blue LED ring)
Best match: eGo T Atomizers
Charging time: 2.5~3 hours
Threading: 510/eGo
Color: Black /Stainless
Package: plain

Why to choose:
*Three voltages available in one battery, so you can easily swap between different voltages.
*Voltage range from 3.2-4.2V, suitable for most 510 atomizers/ cartomizers whatever their resistances are.
*The battery is tested out to have the best vapor production with most our atomizers/cartomizers.
*The battery has overcharge protection. Once charging finishes, no more current is supplied to the battery.
*LCD power indicator bar in the bottom showing remaining power.
How to use:
*The battery comes with the default mode of 3.2V
*Press the switch button for 5 quick clicks, the LED ring will turn from red to half red half blue and also the voltage will swap from 3.2V to 3.7V.
*Press the button for another 5 quick clicks, the LED ring will turn from half red half blue to blue and the voltage swap from 3.7V to 4.2V.
*Give another 5 quick clicks, the LED ring will turn from blue back to red and volt will shift from 4.2V back to 3.2V